Language is negativecarrier of culture, without language, culture without load, without culture, language is nothing but a vacant shell.
语言是文化的负载体，没有语言，文化无以负载，没有文化，语言也就是一个空壳。
2
Then we detect and estimate the carrier frequency of negative SNR DS-SS Signal have done. Theoretic analysis and simulation prove the validity of the arithmetic.